Move to a per-namespace deployment approach

* This increases security, the awx-operator SA has less cluster-wide
    access
  * This means one operator can only deploy to a single namespace
  * If AWX deployments are needed in multiple namespaces, multiple
    awx-operators can be deployed to accomplish this.

Signed-off-by: Christian M. Adams <chadams@redhat.com>

molecule/default/molecule.yml

@@ -26,4 +26,4 @@ provisioner:
   inventory:
     group_vars:
       all:
-        operator_namespace: ${TEST_NAMESPACE:-default}
+        operator_namespace: ${TEST_NAMESPACE:-example-awx}